Local Calling Guide
Area code/prefix search
NPA: 443
[Rate centres in NPA 443]
[Dial plan for NPA 443]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
443-391
| 0 |
Cockeysville |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-391
| 1 |
Cockeysville |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-391
| 2 |
Cockeysville |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2013-05-01 |
|
443-391
| 3 |
Cockeysville |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2013-05-15 |
|
443-391
| 4 |
Cockeysville |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-391
| 5 |
Cockeysville |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-391
| 6 |
Cockeysville |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2013-06-01 |
|
443-391
| 7 |
Cockeysville |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2016-08-21 |
|
443-391
| 8 |
Cockeysville |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
443-391
| 9 |
Cockeysville |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
443-392
| A |
Baltimore |
MD |
BLTMMDCHDS6 |
7421 AT&T - LOCAL |
238 |
|
|
|
443-392
| 0 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2003-10-11 |
|
443-392
| 1 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2003-10-11 |
|
443-392
| 2 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2003-10-11 |
|
443-392
| 3 |
Baltimore |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-24 |
|
443-392
| 4 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2003-10-11 |
|
443-392
| 5 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2003-10-11 |
|
443-392
| 6 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2003-10-11 |
|
443-392
| 7 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2004-06-10 |
|
443-392
| 8 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2004-06-18 |
|
443-392
| 9 |
Baltimore |
MD |
BLTMMDCHDS6 |
7421 AT&T - LOCAL |
238 |
|
|
|
443-393
| A |
Columbia |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-393
| 0 |
Columbia |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-393
| 1 |
Columbia |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-393
| 2 |
Columbia |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-09-10 |
|
443-393
| 3 |
Columbia |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-09-10 |
|
443-393
| 4 |
Columbia |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-393
| 5 |
Columbia |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-393
| 6 |
Columbia |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-05-08 |
|
443-393
| 7 |
Columbia |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2011-04-03 |
|
443-393
| 8 |
Columbia |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-393
| 9 |
Columbia |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-394
| A |
Pikesville |
MD |
OWMLMDOMDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-395
| A |
Aberdeen |
MD |
ABRDMDABDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
443-395
| 0 |
Aberdeen |
MD |
ABRDMDABDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2009-10-11 |
|
443-395
| 1 |
Aberdeen |
MD |
ABRDMDABDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2009-10-11 |
|
443-395
| 2 |
Aberdeen |
MD |
ABRDMDABDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2009-10-11 |
|
443-395
| 3 |
Aberdeen |
MD |
ABRDMDABDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2009-10-11 |
|
443-395
| 4 |
Aberdeen |
MD |
ABRDMDABDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2009-10-11 |
|
443-395
| 5 |
Aberdeen |
MD |
ABRDMDABDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2009-10-11 |
|
443-395
| 6 |
Aberdeen |
MD |
ABRDMDABDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2009-10-11 |
|
443-395
| 7 |
Aberdeen |
MD |
ABRDMDABDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2009-10-11 |
|
443-395
| 8 |
Aberdeen |
MD |
ABRDMDABDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2009-10-11 |
|
443-395
| 9 |
Aberdeen |
MD |
ABRDMDABDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2009-10-11 |
|
443-396
| A |
Odenton |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-396
| 0 |
Odenton |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-396
| 1 |
Odenton |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-396
| 2 |
Odenton |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2012-10-07 |
|
443-396
| 3 |
Odenton |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-03-07 |
|
443-396
| 4 |
Odenton |
MD |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 >>
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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